| 摘要 |
1,147,812. Apparatus for securing glass parts in a holder. M. C. SCHNEIDER, and H. J. SCHNEIDER, [trading as JOS. SCHNEIDER & CO. OPTISCHE WERKE]. 6 April, 1966 [15 April, 1965], No. 25019/68. Divided out of 1,147,811. Heading C1M. To secure two circular glass components of an optical objective in an annular holder, the components 3, 4 are each held by suction on chucks 5b, 5a with shanks 2b, 2a secured to spindles 11b, 11a each with channels, as 16, connected to vacuum, the annular holder 9 is supported as at 12 between the spindles in coaxial relation therewith, the spindles lla, 11b are rotated about their common axis and the parts pressed towards each other by a spring 14. In Fig. 2, not shown, the support for the holder 9 forms part of one of the chucks. A centring ring 10 is held between the lens components 3, 4 by the holder 9. The method of securing the parts is as disclosed in Specification 1,147,811. |
